163635280

素因数分解:

$2^4\times 5^1\times {\mathrm{2045441}}^1$

素因数の和:2045454

約数の個数: 20

約数和(自身を含む): 380452212

約数和(自身を除く): 216816932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2045441, 4090882, 8181764, 10227205, 16363528, 20454410, 32727056, 40908820, 81817640, 163635280]

約数ペア:

[(1, 163635280), (2, 81817640), (4, 40908820), (5, 32727056), (8, 20454410), (10, 16363528), (16, 10227205), (20, 8181764), (40, 4090882), (80, 2045441)]